All zigbee switches failing, bulbs too

It started with this yesterday:Hub failing after update 2.4.3.167 - #21 by gikjll

It started failing after the normal hub update. Then when I got the hub to boot, using suggestions from above, the zigbee devices do not answer commands.

I am at 2.4.3.167 now but have tried rolling back a few versions with no luck. Well, one older version allowed some lights to work but they soon stopped working. I have tried many reboots. The last thing I did was reset the channel on the radio from 20 to 25 as many suggested.

NOw, I have nothing zigbee at all. In settings the device map is empty, and so are the zigbee logs. I have tried rebooting the radio, and rebuilding the zigbee network.

I am at a loss.

I am rolling back to .164...